WATCHES: Tornado Watch Number 167

WWUS20 KWNS 232238
SEL7
SPC WW 232238
TXZ000-240400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 167
NWS STORM PREDICTION CENTER NORMAN OK
535 PM CDT MON APR 23 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

WEST CENTRAL INTO NORTHWEST TEXAS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 535 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES EAST NORTHEAST OF
PLAINVIEW TEXAS TO 75 MILES SOUTHEAST OF BIG SPRING TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 165...WW 166...

DISCUSSION...SRN STREAM SHORTWAVE TROUGH NOW MOVING INTO SWRN TX MAY
CONTINUE ENHANCING THUNDERSTORM DEVELOPMENT ALONG AND EAST OF THE
DRY LINE THIS EVENING. DEEP LAYER SHEAR REMAINS QUITE STRONG AND
WILL SUSTAIN SUPERCELLS...WITH INCREASING POTENTIAL FOR A FEW
TORNADOES IF STORMS CAN BE SUSTAINED ENEWD ACROSS WW THIS EVENING.
VERY LARGE HAIL IS ALSO LIKELY WITH THESE STORMS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22025.

..EVANS

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